<template>
  <div class="container">
    <div class="app-container">
      <el-tree
        :default-expand-all="true"
        :expand-on-click-node="false"
        :data="depts"
        :props="defaultProps"
      >
        <template v-slot="{data}">
          <el-row style="width:100%;height:40px" type="flex" justify="space-between" align="middle">
            <el-col>{{data.name}}</el-col>
            <el-col :span="5">
              <span class="tree-manager">{{data.managerName}}</span>
              <el-dropdown trigger="click" @command="operateDept($event,data.id)">
                <span class="el-dropdown-link">
                  操作
                  <i class="el-icon-arrow-down el-icon--right"></i>
                </span>
                <el-dropdown-menu slot="dropdown">
                  <el-dropdown-item command="add">添加子部门</el-dropdown-item>
                  <el-dropdown-item command="edit">编辑部门</el-dropdown-item>
                  <el-dropdown-item command="del">删除</el-dropdown-item>
                </el-dropdown-menu>
              </el-dropdown>
            </el-col>
          </el-row>
        </template>
      </el-tree>
    </div>
    <add-dept
      ref="addDept"
      @updateDepartment="getDepartment"
      :currentNodeId="currentNodeId"
      :showDialog.sync="showDialog"
      :title="title"
    />
  </div>
</template>

<script>
import { getDepartment, deleteDepartment } from "@/api/department";
import { transListToTreeData } from "@/utils/index";
import AddDept from "./components/add-dept.vue";

export default {
  name: "Department",
  components: { AddDept },
  data() {
    return {
      title: null,
      currentNodeId: null,
      showDialog: false,
      depts: [], // 数据属性
      defaultProps: {
        label: "name",
        children: "children"
      }
    };
  },
  created() {
    this.getDepartment();
  },
  methods: {
    async getDepartment() {
      const result = await getDepartment();
      this.depts = transListToTreeData(result, 0);
    },
    operateDept(type, id) {
      if (type === "add") {
        this.title = "新增部门";
        this.showDialog = true;
        this.currentNodeId = id;
      } else if (type === "edit") {
        this.title = "编辑部门";

        this.currentNodeId = id;
        this.showDialog = true;
        this.$nextTick(() => {
          // 获取子组件的this
          this.$refs.addDept.getDepartmentDetail();
        });
      } else {
        this.$confirm("您确认要删除该部门吗?", "提示", {
          confirmButtonText: "确定",
          cancelButtonText: "取消",
          type: "error"
        }).then(async () => {
          await deleteDepartment(id);
          this.$message.success("删除部门成功");
          this.getDepartment();
        });
      }
    }
  }
};
</script>

<style lang="scss" scoped>
.app-container {
  padding: 30px 140px;
  font-size: 14px;
}
.tree-manager {
  width: 80px;
  display: inline-block;
  margin: 10px;
}
</style>